{
  "comments": {
    "new": "ISBN: 1-57350-807-1"
  },
  "ring_codes": {
    "new": "IFPI 50A5\nIFPI 720Q\nPSRM-016050\t9 IFPI L327 IFPI 720U",
    "old": "IFPI 50A5\nIFPI 720Q"
  }
}